Visibility Disc acc. to Secchi,10m steel rope, mar Back Catalog number: 443594 Availability: In the manufacturer's stock Price on request - + Recommended 438702 Spare Net Part for Ring Trawl Net, mesh size 500m Price on request A136-01A 1" Butterfly Valve kit (316L) with EPDM seal Price on request 438700-001 Nylon Webbing with zip fastener for Netring Ring T Price on request